Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1980-05-06

1982-12-28

Davie, James W.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

357 74, 372 36, G01D 1514, H01S 319

Patent

active

043664920

ABSTRACT:
A semiconductor laser device of a construction, wherein projection of a laser beam (or rear beam) backwardly from a semiconductor laser element in the device is prevented.

REFERENCES:
patent: 4123591 (1978-10-01), Karki
patent: 4243951 (1981-01-01), Wolkstein et al.
patent: 4251825 (1981-02-01), Mikami et al.
patent: 4259679 (1981-03-01), Knibb et al.
patent: 4270134 (1981-05-01), Takeda et al.

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